Seperate stats for DCE'd functions and vars

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2961 91177308-0d34-0410-b5e6-96231b3b80d8

* Code cleanups
* Fix a REALLY misleading error message

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2960 91177308-0d34-0410-b5e6-96231b3b80d8

*** empty log message ***

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2959 91177308-0d34-0410-b5e6-96231b3b80d8

* s/method/function

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2958 91177308-0d34-0410-b5e6-96231b3b80d8

* s/method/function
* BIG CHANGE: The root of the call "graph" is considered to be the external
  node, not the "Root".  This means that users using graph iterators like
  df_begin() will start from the external node.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2957 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2956 91177308-0d34-0410-b5e6-96231b3b80d8

New testcases for bug in globaldce

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2955 91177308-0d34-0410-b5e6-96231b3b80d8

Only functions with external linkage can be resolved to function declarations.
This change fixes programs that have multiple functions named the same thing,
where are least one of them is static/internal.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2954 91177308-0d34-0410-b5e6-96231b3b80d8

* Rewrite loop to be slightly more efficient (arguably)
* Fix a MAJOR thinko that was causing bad links to happen on Spec

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2953 91177308-0d34-0410-b5e6-96231b3b80d8

The graph is more accurate when I don't completely ignore the return value.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2952 91177308-0d34-0410-b5e6-96231b3b80d8

* Correctly get prototype for void*malloc(size_t)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2951 91177308-0d34-0410-b5e6-96231b3b80d8

Fixes to be LP64 correct

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2950 91177308-0d34-0410-b5e6-96231b3b80d8

* ConstExpr::getelementptr now takes a vector of Constants not Values
* Assert things instead of printing an error and returning null.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2949 91177308-0d34-0410-b5e6-96231b3b80d8

ConstExpr::getelementptr now takes a vector of Constants not Values

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2948 91177308-0d34-0410-b5e6-96231b3b80d8

Add a hack to check for a subset of true dominance properties

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2947 91177308-0d34-0410-b5e6-96231b3b80d8

Implement linking of ConstExprs

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2946 91177308-0d34-0410-b5e6-96231b3b80d8

Lots of bug fixes, add BottomUpClosure, which has bugs, but is a start.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2945 91177308-0d34-0410-b5e6-96231b3b80d8

First cut at implementing bottom up analysis

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2944 91177308-0d34-0410-b5e6-96231b3b80d8

Make getelementptr ConstExpr take a vector of constants not values

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2943 91177308-0d34-0410-b5e6-96231b3b80d8

added  check for Function with 0 BB

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2942 91177308-0d34-0410-b5e6-96231b3b80d8

*** empty log message ***

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2941 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2940 91177308-0d34-0410-b5e6-96231b3b80d8

Fix prototype to make function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2939 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase, unanalyzed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2938 91177308-0d34-0410-b5e6-96231b3b80d8

Anand forgot to check in the makefile corresponding to his previous change
which eliminated the EmitFunctions directory

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2937 91177308-0d34-0410-b5e6-96231b3b80d8

* Remove dead code from ExprTypeConvert.cpp
   - I->use_empty() can never be true because of the IHolder's
* Fix bug: test/Regression/Transforms/LevelRaise/2002-07-16-SourceAndDestCrash.ll
   - Add a new NewCasts member to VMC to keep track of casts that have been
     created and to ensure there is always a reference to the cast.
   - Extend ValueHandle a bit so it can be used in an STL container
   - Make sure we destroy the ValueMapCache before verifying the function
     in LevelRaise.cpp

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2936 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase finally identified!!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2935 91177308-0d34-0410-b5e6-96231b3b80d8

* Add a bunch of debugging features to LevelRaise
  - Verify the function every time it is exprconverted if DEBUG is on
  - Provide a way to start exprconversion AT a specific instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2934 91177308-0d34-0410-b5e6-96231b3b80d8

Avoid !sized assertion failure if Ty is not a sized type

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2933 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug: test/Regression/Transforms/LevelRaise/2002-07-16-RaiseCrash2.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2932 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2931 91177308-0d34-0410-b5e6-96231b3b80d8

Add testcase for raise opportunity missed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2930 91177308-0d34-0410-b5e6-96231b3b80d8

Removed emitfuncs: now its part of instrument library

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2929 91177308-0d34-0410-b5e6-96231b3b80d8

Moved over EmitFunctions to this library

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2928 91177308-0d34-0410-b5e6-96231b3b80d8

removed this directory

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2927 91177308-0d34-0410-b5e6-96231b3b80d8

Moved EmitFunctions.cpp up to instrumentation directory

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2926 91177308-0d34-0410-b5e6-96231b3b80d8

* Make global variables with external linkage get emitted correctly
* Do NOT add a prefix to global variables that are external
* Add newline after emitting a constpointerref

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2925 91177308-0d34-0410-b5e6-96231b3b80d8

Bugfix to previous checkin

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2924 91177308-0d34-0410-b5e6-96231b3b80d8

Bug fix to RUN line

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2923 91177308-0d34-0410-b5e6-96231b3b80d8

Now will profile all Basic Blocks

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2922 91177308-0d34-0410-b5e6-96231b3b80d8

* Cleanup pass
* The global variable cannot be internal or else we cannot use it!
* Always add a function to the table, even if it only has a single basic
  block.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2921 91177308-0d34-0410-b5e6-96231b3b80d8

* Add assertion to ExprTypeConvert to detect error earlier than without it
* Fix bug in LevelRaise.cpp, correcting this problem:
    test/Regression/Transforms/LevelRaise/2002-07-16-RaiseCrash.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2920 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase distilled from olden-tsp.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2919 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2918 91177308-0d34-0410-b5e6-96231b3b80d8

added std:: to pair

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2917 91177308-0d34-0410-b5e6-96231b3b80d8

added std:: to vector

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2916 91177308-0d34-0410-b5e6-96231b3b80d8

added std:: to string

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2915 91177308-0d34-0410-b5e6-96231b3b80d8

added std:: to cerr and endl

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2914 91177308-0d34-0410-b5e6-96231b3b80d8

Added the Mapping Pass to out put Mapping Info to .s file

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2913 91177308-0d34-0410-b5e6-96231b3b80d8

*** empty log message ***

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2912 91177308-0d34-0410-b5e6-96231b3b80d8

Initial checking  : Writes LLVM - MI mappiing to the .s file

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2911 91177308-0d34-0410-b5e6-96231b3b80d8

Ensure ConstExpr constants are unique.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2910 91177308-0d34-0410-b5e6-96231b3b80d8

Ensure ConstExpr constants are unique using a
map of <opcode, operands> to ConstExpr.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2909 91177308-0d34-0410-b5e6-96231b3b80d8

Added duplicate constant expressions to test uniqueness support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2908 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug: test/Regression/Assembler/2002-07-14-InternalLossage.llx

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2907 91177308-0d34-0410-b5e6-96231b3b80d8

Check in tests that have been in my tree for a long time

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2906 91177308-0d34-0410-b5e6-96231b3b80d8

Minor rename of output

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2905 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase to track opaque type bug

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2904 91177308-0d34-0410-b5e6-96231b3b80d8

Minor additions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2903 91177308-0d34-0410-b5e6-96231b3b80d8

Added support to write out ConstantExpr nodes.
Also, avoid asserting out when writing out an invalid tree
since the assembly writer is used when debugging.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2902 91177308-0d34-0410-b5e6-96231b3b80d8

Added subclass ConstantExpr to represent expressions consructed from
constants using operators such as cast, getelementptr, add, shl, etc.
Note that a ConstantExpr can be of any type, so classof() in most
other subclasses (that discriminate by type) have to check that it
is also not a ConstantExpr.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2901 91177308-0d34-0410-b5e6-96231b3b80d8

Create a static version of Instruction::getOpcodeName(opCode) that
can be invoked with only an opcode (i.e., without an instruction).
Move all opCode->opCodeName translations there.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2900 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for writing ConstantExpr nodes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2899 91177308-0d34-0410-b5e6-96231b3b80d8

Write out the plane for types first, since values of primitive types
may be constructed by expressions of other types (and so the
contents of the primitive type planes must come after all types).
Use a helper function outputConstantsInPlane in outputConstants to
do this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2898 91177308-0d34-0410-b5e6-96231b3b80d8

Use a helper function outputConstantsInPlane in outputConstants.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2897 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for reading ConstantExpr nodes.
Add class ConstantFwdRefs to resolve forward references to constants
and to globals. (Hmm... this class could be renamed I guess.)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2896 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for reading ConstantExpr nodes.
Add class ConstantFwdRefs to resolve forward references to constants
and to globals (unified old code for globals into this).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2895 91177308-0d34-0410-b5e6-96231b3b80d8

Added support for parsing expressions constructed from constant values.
(Major new non-terminal is ConstExpr.)

Add YYERROR_VERBOSE and print additional information on errors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2894 91177308-0d34-0410-b5e6-96231b3b80d8

Declare globals llvmAsmtext and llvmAsmleng for use in the parser.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2893 91177308-0d34-0410-b5e6-96231b3b80d8

Create a static version of Instruction::getOpcodeName(opCode) that
can be invoked with only an opcode (i.e., without an instruction).
Move all opCode->opCodeName translations there.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2892 91177308-0d34-0410-b5e6-96231b3b80d8

Added subclass ConstantExpr to represent expressions consructed from
constants using operators such as cast, getelementptr, add, shl, etc.
Note that a ConstantExpr can be of any type, so classof() in most
other subclasses (that discriminate by type) have to check that it
is also not a ConstantExpr.   This is why isConstantExpr() is needed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2891 91177308-0d34-0410-b5e6-96231b3b80d8

Add a couple of virtual functions to support subclass ConstantExpr.
Note that a ConstantExpr can be of any type, so classof() in most
other subclasses (that discriminate by type) have to check that it
is also not a ConstantExpr.   This is why isConstantExpr() is needed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2890 91177308-0d34-0410-b5e6-96231b3b80d8

Test the handling of constant expressions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2889 91177308-0d34-0410-b5e6-96231b3b80d8

Allow tests that use custom commands to run

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2888 91177308-0d34-0410-b5e6-96231b3b80d8

Test to make sure that 'internal' flags don't get dropped accidentally!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2887 91177308-0d34-0410-b5e6-96231b3b80d8

initial version: for emitfuncs pass

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2886 91177308-0d34-0410-b5e6-96231b3b80d8

added emitfuncs pass, and disabled reassociate pass (needs fixing)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2885 91177308-0d34-0410-b5e6-96231b3b80d8

Added emitfuncs pass

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2884 91177308-0d34-0410-b5e6-96231b3b80d8

Added EmitFunctions directory

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2883 91177308-0d34-0410-b5e6-96231b3b80d8

Initial makefile

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2882 91177308-0d34-0410-b5e6-96231b3b80d8

Initial version: adds a function table to output code

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2881 91177308-0d34-0410-b5e6-96231b3b80d8

* Pass the DSGraph around instead of the Function to printing fns
* Print the globals list in the node
* Print the scalars in the scalar node
* Eliminate Scalar "label" edges in the graph
* Print fake edges lighter instead of dotted

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2880 91177308-0d34-0410-b5e6-96231b3b80d8

* Nodes now keep track of any global variables in them

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2879 91177308-0d34-0410-b5e6-96231b3b80d8

* Nodes now keep track of any global variables in them
* Only dead-node-eliminate nodes with no flags
* Don't merge scalars, only merge what they point to.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2878 91177308-0d34-0410-b5e6-96231b3b80d8

* Nodes now keep track of any global variables contained within them

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2877 91177308-0d34-0410-b5e6-96231b3b80d8

added std:: to endl

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2875 91177308-0d34-0410-b5e6-96231b3b80d8

added std:: to vector

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2874 91177308-0d34-0410-b5e6-96231b3b80d8

Rename DataStructure to LocalDataStructures

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2873 91177308-0d34-0410-b5e6-96231b3b80d8

New implementation of data structure analysis
This diff is completely meaningless because this is a replacement
implementation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2872 91177308-0d34-0410-b5e6-96231b3b80d8

New implementation of data structure analysis.  Only local analysis has been
implemented so far.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2871 91177308-0d34-0410-b5e6-96231b3b80d8

Disable folding g-e-p instructions into loads and stores.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2870 91177308-0d34-0410-b5e6-96231b3b80d8

Disable pool allocation stuff until data structure analysis is sorted back out

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2869 91177308-0d34-0410-b5e6-96231b3b80d8

Reimplement data structure analysis

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2868 91177308-0d34-0410-b5e6-96231b3b80d8

Fix broken test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2867 91177308-0d34-0410-b5e6-96231b3b80d8

Include Makefile.singlesrc in order to compile .c tests.
Some of these are not regression tests and this directory needs
to be reorganized, but the tests are important.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2866 91177308-0d34-0410-b5e6-96231b3b80d8

Some of these are feature tests, not regression tests.
This directory needs to be reorganized and some of the tests
need changes to make them executable.  Also comments would help...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2865 91177308-0d34-0410-b5e6-96231b3b80d8

Bug fix: cast (bool) has higher precedence than %... who knew!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2864 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for marking each operand as a %hh, %hm, %lm or %lo.
Represent previous bools and these ones with flags in a single byte
per operand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2863 91177308-0d34-0410-b5e6-96231b3b80d8

Added a few more methods for creating instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2862 91177308-0d34-0410-b5e6-96231b3b80d8

Fix print of BB name in dump().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2861 91177308-0d34-0410-b5e6-96231b3b80d8